# CamX vs USB Camera to NDI

The clearest difference is review sentiment: CamX at 68% against USB Camera to NDI's 25%. CamX also leads on rating (4.4 vs 3.9) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. CamX sells 4 in-app purchases, starting at $2.99 per year and USB Camera to NDI sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CamX holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 296 and 102 respectively. Written reviews point the same way: 68% of CamX's written reviews are positive against 25% of USB Camera to NDI's.

CamX ships an update every 3 weeks, USB Camera to NDI every 5 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CamX | USB Camera to NDI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (296 ratings)](https://appshunter.io/ios/app/camx-usb-camera/id6453639083/reviews)** | [3.9 (102 ratings)](https://appshunter.io/ios/app/usb-camera-to-ndi/id6476429895/reviews) |
| Number of ratings | **296** | 102 |
| Positive reviews | **68.2% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 41 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Touchbits Inc.](https://appshunter.io/developer/1577082996) | [TopDirector Corporation](https://appshunter.io/developer/1581209934) |

## What reviewers say

### CamX

[App page](https://appshunter.io/ios/app/camx-usb-camera/id6453639083)

Transform your iPad into a portable monitor or capture device. Streamline content creation and gaming with high-quality recording and customizable settings. Ideal for on-the-go productivity and entertainment.

**Highlights:** Portable display for iPad, High-quality video recording, Gaming mode with picture settings, Videography mode with histograms, User-friendly interface, Internal capture for other devices

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CamX Pro | $2.99 | per year |
| Small Tip | $1.99 | one-time |
| Nice Tip | $4.99 | one-time |
| Big Tip | $9.99 | one-time |


### USB Camera to NDI

[App page](https://appshunter.io/ios/app/usb-camera-to-ndi/id6476429895)

This app allows you to monitor and convert UVC cameras to NDI streams in real-time. It supports various NDI formats, offers simultaneous recording to Photos, and can extend camera capabilities using HDMI adapters.

**Highlights:** Monitor UVC cameras for free, Switch between multiple UVC cameras, Real-time NDI conversion, Supports FULL NDI, NDI HX H.264, NDI HX HEVC, Record to Photos simultaneously, NDI tally status indicator

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Enable NDI Sending | $4.99 | one-time |
| Enable Recording and Snapshot | $9.99 | one-time |
| HDMI, ScreenMirroring, AirPlay | $9.99 | one-time |


## Frequently asked questions

### Is CamX free?

CamX is free to download, with in-app purchases available.

### Is USB Camera to NDI free?

USB Camera to NDI is free to download, with in-app purchases available.

### Which has better reviews, CamX or USB Camera to NDI?

CamX is rated higher. CamX averages 4.4 out of 5 from 296 ratings, while USB Camera to NDI averages 3.9 from 102 ratings.

### Do CamX or USB Camera to NDI have ads?

Neither CamX nor USB Camera to NDI shows ads.

### Which is updated more often, CamX or USB Camera to NDI?

CamX ships an update every 3 weeks, and USB Camera to NDI every 5 weeks. Most recently, CamX was updated on November 7, 2026 and USB Camera to NDI on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*